[Bug 255198] daemon: Backport 4cd407ec/366098 -H option to stable/12

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 28 Jul 2021 12:41:50 +0000
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255198

--- Comment #5 from commit-hook_at_FreeBSD.org ---
A commit in branch stable/12 references this bug:

URL:
https://cgit.FreeBSD.org/src/commit/?id=7fa95d69f10827d0b02607682a2c4a1513d658e5

commit 7fa95d69f10827d0b02607682a2c4a1513d658e5
Author:     Maxim Sobolev <sobomax_at_FreeBSD.org>
AuthorDate: 2020-09-24 02:44:58 +0000
Commit:     Mark Johnston <markj_at_FreeBSD.org>
CommitDate: 2021-07-28 12:38:38 +0000

    dd a new option (-H) to daemon(8) to catch SIGHUP and re-open output_file
file when
    received.

    The default system log rotation mechanism (newsyslog(8)) requires ability
to send
    signal to a daemon in order to properly complete rotation of the logs in an
"atomic"
    manner without having to making a copy and truncating original file.
Unfortunately
    our built-in mechanism to convert "dumb" programs into daemons has no way
to handle
    this rotation properly. This change adds this ability, to be enabled by
supplying -H
    option in addition to the -o option.

    PR:             255198
    Reviewed by:    markj, rpokala (manpages)

    (cherry picked from commit 4cd407ec933b81d9d0f733532d29426416cccc06)

 usr.sbin/daemon/daemon.8 | 18 ++++++++++++--
 usr.sbin/daemon/daemon.c | 63 ++++++++++++++++++++++++++++++++++++++++++------
 2 files changed, 71 insertions(+), 10 deletions(-)

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Received on Wed Jul 28 2021 - 12:41:50 UTC

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